Balance Sheet Components - Schedule of Other Non-Current Liabilities and Deferred Credits (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Balance Sheet Related Disclosures [Abstract]
Operating lease liabilities	$ 67,145	$ 66,068
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Total	Total
Finance lease liabilities	$ 44,113	$ 45,730
Deferred investment tax credits	29,038	29,313
Asset retirement obligations	16,322	17,142
Derivative liabilities	2,698	4,525
Other	15,707	15,347
Total	$ 175,023	$ 178,125

The noncurrent portion of the reserve for accumulated deferred investment tax credits as of the balance sheet date. This is the remaining investment credit, which will reduce the cost of services collected from ratepayers by a ratable portion over the investment's regulatory life.

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The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

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Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent.

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